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參數(shù)資料
| 型號： | C505CA-L |
| 廠商： | INFINEON TECHNOLOGIES AG |
| 元件分類： | 8位微控制器 |
| 英文描述： | 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash |
| 中文描述： | 8位微控制器與2/4/8K字節(jié)在系統(tǒng)可編程閃存 |
| 文件頁數(shù)： | 64/88頁 |
| 文件大?。?/td> | 1224K |
| 代理商： | C505CA-L |
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C505/C505C/C505A/C505CA
Data Sheet
60
12.00
Note:
1) Capacitive loading on ports 0 and 2 may cause spurious noise pulses to be superimposed on the
V
OL
of ALE
and port 3. The noise is due to external bus capacitance discharging into the port 0 and port 2 pins when these
pins make 1-to-0 transitions during bus operation. In the worst case (capacitive loading > 100 pF), the noise
pulse on ALE line may exceed 0.8 V. In such cases it may be desirable to qualify ALE with a schmitt-trigger,
or use an address latch with a schmitt-trigger strobe input.
2) Capacitive loading on ports 0 and 2 may cause the
V
OH
on ALE and PSEN to momentarily fall below the
0.9
V
DD
specification when the address lines are stabilizing.
3) Overload conditions under operating conditions occur if the voltage on the respective pin exceeds the specified
operating range (i.e.
V
OV
>
V
DD
+ 0.5 V or
V
OV
<
V
SS
- 0.5 V). The absolute sum of input currents on all port
pins may not exceed 50 mA. The supply voltage
V
DD
and
V
SS
must remain within the specified limits.
4) Not 100% tested, guaranteed by design characterization.
5) Only valid for C505A-4E and C505CA-4E.
6) Only valid for C505A-4E and C505CA-4E in programming mode.
7)
I
DD
(active mode) is measured with:
XTAL1 driven with
t
R
,
t
F
= 5 ns, 50% duty cycle ,
V
IL
=
V
SS
+ 0.5 V,
V
IH
=
V
DD
–
0.5 V; XTAL2 = N.C.;
EA = Port 0 = RESET =
V
DD
; all other pins are disconnected.
8)
I
DD
(idle mode) is measured with all output pins disconnected and with all peripherals disabled;
XTAL1 driven with
t
R
,
t
F
= 5 ns, 50% duty cycle,
V
IL
=
V
SS
+ 0.5 V,
V
IH
=
V
DD
–
0.5 V; XTAL2 = N.C.;
RESET = EA =
V
SS
; Port0 =
V
DD
; all other pins are disconnected; the microcontroller is put into idle mode by
software;
9)
I
DD
(active mode with slow-down mode) is measured with all output pins disconnected and with all peripherals
disabled;
XTAL1 driven with
t
R
,
t
F
= 5 ns, 50% duty cycle,
V
IL
=
V
SS
+ 0.5 V,
V
IH
=
V
DD
–
0.5 V; XTAL2 = N.C.;
RESET = EA =
V
SS
; all other pins are disconnected; the microcontroller is put into slow-down mode by
software;
10)
I
DD
(idle mode with slow-down mode) is measured with all output pins disconnected and with all peripherals
disabled;
XTAL1 driven with
t
R
,
t
F
= 5 ns, 50% duty cycle,
V
IL
=
V
SS
+ 0.5 V,
V
IH
=
V
DD
–
0.5 V; XTAL2 = N.C.;
RESET = EA =
V
SS
; Port0 =
V
DD
; all other pins are disconnected; the microcontroller is put into idle mode
with slow-down enabled by software;
11)
I
PD
(power-down mode) is measured under following conditions:
Port 0 = EA =
V
DD
; RESET =
V
SS
; XTAL2 = N.C.; XTAL1 =
V
SS
;
V
AGND
=
V
SS
;
V
AREF
=
V
DD
;
all other pins are disconnected.
12) The typical
I
DD
values are periodically measured at
T
A
= +25
°
C but not 100% tested.
13) The maximum
I
DD
values are measured under worst case conditions (
T
A
= 0
°
C or -40
°
C and
V
DD
= 5.5 V)
14) The values are valid for C505CA-4R, C505CA-2R, C505CA-L, C505A-4R, C505A-2R and C505A-L only.
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